11103033133 has 4 divisors (see below), whose sum is σ = 11585773728. Its totient is φ = 10620292540.

The previous prime is 11103033107. The next prime is 11103033143. The reversal of 11103033133 is 33133030111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11103033133 - 2³³ = 2513098541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11103033133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103033103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241370263 + ... + 241370308.

It is an arithmetic number, because the mean of its divisors is an integer number (2896443432).

Almost surely, 2^11103033133 is an apocalyptic number.

It is an amenable number.

11103033133 is a deficient number, since it is larger than the sum of its proper divisors (482740595).

11103033133 is an equidigital number, since it uses as much as digits as its factorization.

11103033133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482740594.

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 11103033133 its reverse (33133030111), we get a palindrome (44236063244).

The spelling of 11103033133 in words is "eleven billion, one hundred three million, thirty-three thousand, one hundred thirty-three".